C0378 Code – Front Axle Switch Circuit Signal Invalid

What are the Possible Causes of the Code C0378?
  • Faulty Front Axle Switch/Actuator
  • Front Axle Switch/Actuator harness is open or shorted
  • Front Axle Switch/Actuator circuit poor electrical connection
  • Need help with this OBD II code? Our mechanics are available within west Michigan to help. Outside of our service area? Visit our Car Help Section where you can ask questions and get answers.

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